PSAT Math : How to subtract complex fractions

Study concepts, example questions & explanations for PSAT Math

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Example Questions

Example Question #12 : Fractions


Possible Answers:

Correct answer:


First reduce the fraction. We can divide both the numerator and the denominator by 3.


Now our expression looks like this:

When you add or subtract fractions, you need to have the same denominator. The lowest common deonminator here is 2. So we need to multiply and solve:

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